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<head>
    <title>Assert: Must have usable originating data here + crash</title>
</head>

<body>

<table border>
 <tbody>
  <tr ><td rowspan="2">1</td></tr>
  <tr><td rowspan="2">2</td></tr>
  <tr ><td rowspan="3" colspan="2">3</td></tr>
  <tr></tr>
</tbody>
<tbody>
  <tr><td rowspan="3">4</td></tr>
  <tr><td>5</td></tr>
</tbody>
</table>
</body>
</html>
